A magnetar just woke up after three years of silence

When stars reach the end of their main sequence, they undergo a gravitational collapse, ejecting their outermost layers in a supernova explosion. What remains afterward is a dense, spinning core primarily made up of neutrons ...

Meerkat vs. Periscope: Live-streaming app battle & buzz

Download Periscope, Twitter's just-launched live video-streaming app, and you'll find people broadcasting all sorts of mundane stuff: waiting for AT&T to fix their wiring, getting out of bed in Silicon Valley, looking outside ...

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